This calculator will help you figure out your regular loan payments and it will also create a detailed schedule of payments. Use a financial calculator and Excel to solve annuity problems.Calculate an effective rate of interest. Loan Amortization Schedule outlines the interest and principal payments owed on a mortgage, including the outstanding balance. In this tutorial we will see how to create an amortization schedule for a fixed-rate loan using Microsoft Excel and other spreadsheets. This calculator will help you figure out your regular loan payments and it will also create a detailed schedule of payments.